Oliver S.

Business Intelligence (BI) | Data Warehousing | Data Analytics | Data Engineering (ETL/ELT) - Freelancer

Hagenburg, Lower Saxony, Germany

About

Skills: Business Intelligence DataWareHouse DataIntegration Informatica PowerCenter Database Development IBM DB2, Exasol, InfluxDB, mySQL PL/SQL SQL-Development Extract, TransForm, Load (ETL, ELT) Data Mining Data Quality Data Analysis Big Data Optimierung

Experience

  • Unternehmensinhaber at Oliver Schmidt
    Jan 2011 - Present · 15 yrs 7 mos

  • Senior Data Warehouse Engineer at S-FinanzGruppe
    Jan 2026 - Present · 7 mos

    ETL-Service-Automation, agile ETL-Development PreStage & DWH, UTF-8 DataMigration/IntegrationMigration, Consulting, Ideengeber, DataAnalysis, RDBMS-Performance… ( Informatica PC 10.5 / PLSQL / (Shell/Bash) / Java / PowerShell etc.) , Informatica Repository Migration ..

  • ETL-Spezialist at S-Finanz Gruppe
    Nov 2020 - Dec 2025 · 5 yrs 2 mos

    ETL-Entwicklung DWH, DataLineage Entwicklung, Weiterentwicklung DataWareHouse, Consulting, Ideengeber, DataAnalysis, PerformanceOptimierung DB2/Oracle … ( Informatica Powercenter / PLSQL / (Shell/Bash) / Java / PowerShell etc.

  • Freelance BI-Entwicklung at Förderbank
    Mar 2022 - Jun 2023 · 1 yr 4 mos

    Ablösung CognosReports , Aufbau Vorstufe DWH, iWHS-Analyse, SQL-Enwicklung, Consulting,Data Virtuality

  • DataWarehouse-/BI-Developer at Spezialversicherer
    Oct 2017 - Sep 2020 · 3 yrs